Filter holder



FIG. 1 is a perspective view of the filter holder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view of an alternate embodiment of FIG. 1, the rear, bottom and side views are the same as those shown in the first embodiment; and,

FIG. 8 is a front elevational view of FIG. 7. 

The ornamental design for a filter holder, as shown and described. 